52813980 has 72 divisors (see below), whose sum is σ = 167180832. Its totient is φ = 13470336.

The previous prime is 52813973. The next prime is 52813991. The reversal of 52813980 is 8931825.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2239 + ... + 10518.

It is an arithmetic number, because the mean of its divisors is an integer number (2321956).

Almost surely, 2^52813980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52813980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83590416).

52813980 is an abundant number, since it is smaller than the sum of its proper divisors (114366852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52813980 is a wasteful number, since it uses less digits than its factorization.

52813980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12795 (or 12790 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 52813980 is about 7267.3227532565. The cubic root of 52813980 is about 375.1885984657.

It can be divided in two parts, 5281 and 3980, that added together give a cube (9261 = 21³).

The spelling of 52813980 in words is "fifty-two million, eight hundred thirteen thousand, nine hundred eighty".